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[dahy-uh-krit-i-kuh l] /ˌdaɪ əˈkrɪt ɪ kəl/
serving to distinguish; distinctive.
capable of distinguishing.
Phonetics. serving as a diacritic.
Origin of diacritical
1740-50; diacritic + -al1
Related forms
diacritically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for diacritical
  • When entering the author's last name be certain that the capitals, hyphens, and diacritical marks are in the correct place.
  • diacritical marks are a necessary part of a name and will be used.
  • All appropriate names with and without diacritical marks are returned.
  • It is not necessary to use uppercase letters or diacritical marks in searching.
  • Our conclusion is that practice on setting the indicator in relation to diacritical marks has been inconsistent.
  • diacritical marks have been removed since they confound searching and display.
  • Provision is made for an umlaut and other diacritical marks, but these are dropped in common usage.
  • Some languages contain characters with diacritical marks such as tildes, umlauts, and accents.
  • Another example has been accessing data from languages that have special diacritical marks or characters.
  • Learning a consistent diacritical system is essential, as is writing it out clearly and carefully.
British Dictionary definitions for diacritical


of or relating to a diacritic
showing up a distinction
Derived Forms
diacritically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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